King Aurthur Alaskan Sourdough Mix or General Purpose Flour

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Hello everyone - New to the forum and finding new hobbies to keep myself busy and healthy during this COVID lockdown.

I've decided to make a starter but not being able/wanting to leave the house for better quality flour (whole wheat or rye) i have two options in my cabinet - All purpose flour (bleached) and a box of King Arthur Alaskan Sourdough bread mix.  Can I make a sourdough starter from this bread mix or should I stick with the All purpose flour?  The yeast was packaged separately but it looks like everything else that was needed for the loaf was premixed.

Any help would be appreciated! 

Thanks and stay safe!

 

Your AP is bleached, and the KA bread mix has salt, neither of which are optimum for starting a starter.

Can you order from Amazon or from a local grocery delivery service and get whole wheat flour, and unbleached AP/bread flour?

But... maybe...  If you have raisins or fresh fruit, you might be able to make "yeast water" first, then use that to innoculate the bleached AP flour, but I've never tried that.  The bleached AP flour "might" be okay to feed the yeast water and turn it into a flour-based starter, and be used for continued feedings.

Search the site for "yeast water."